Mitigate the security vulnerability by sanitizing the transaction flags. am: 03d4458e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/20892111



Change-Id: Id8c63fb401b3642ec7c3d765171a093bbebacdb7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>